Controller of Site Safety Recert(COSS)

A course for those who will carry out the duties of a COSS, set up Safe Systems of Work for a group whilst on or near the line.

Learning Objectives

At the end of this course delegates will be able to:

  • Know the roles and responsibilities of a COSS.
  • Be able to check the competencies via Sentinel.
  • Demonstrate a good COSS briefing.
  • Access information about the site.
  • Demonstrate the Safe System of Work planning process.
  • Correctly appoint Lookouts/Site Wardens.
  • Demonstrate use of the sighting distance chart and how this can be attained.
  • Understand and demonstrate a good level of both written and verbal communications.
  • Demonstrate the ability to take and hand back line blockages.
  • State the process when working within a possession.
  • Understand and state the process for working in a sidings.
  • How to manage an incident and the role of the RIO.
  • Understand the LCV process

What do you need to attend this course?

  • You must hold the required medical level.
  • You must currently hold PTS and COSS or be within the 8 week grace period (from date of expiry)
  • Have successfully completed all assessment within the competency cycle
  • Have at least four entries in your log book
  • Have a good level of literacy.


4 days (OLP/CRP is an additional day)

What happens after I pass the course?

Your track safety card will be updated to include both the PTS and COSS recertification An interim assessment (between 9 and 15 months after the rectification course) must also be completed.

Choose your dates

Monday 21st October 2019
Limited Places
Monday 11th November 2019
Places Available
Monday 16th December 2019
Places Available

None of the above dates suitable? No problem. We can arrange courses on request. Please call us on 01925 813897 or complete our Course Request form.


  • All our training includes lunch.
  • All equipment is provided, no need for laptops
  • Free tea, coffee and refreshments supplied
  • Free WIFI available for all delegates
  • Multi Faith prayer room
  • Accessible toilet

Full Course List

Complete list of all our courses in alphabetical order